package org.csmzxy.class2333;

public class example12 {
        public static void main(String[] args) {
            int sum = 0;    //累加结果
            int i = 1;      //当前整数
            while ( i<= 100){
                sum += i;           //将当前整数累加到sum中
                i++;                //i自增1
            }
            System.out.println("sum = " + sum);
        }
    }






